8065863688 has 16 divisors (see below), whose sum is σ = 15149267280. Its totient is φ = 4026059088.

The previous prime is 8065863661. The next prime is 8065863691. The reversal of 8065863688 is 8863685608.

It is a super-2 number, since 2×8065863688² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854106 + ... + 863497.

It is an arithmetic number, because the mean of its divisors is an integer number (946829205).

Almost surely, 2^8065863688 is an apocalyptic number.

It is an amenable number.

8065863688 is a deficient number, since it is larger than the sum of its proper divisors (7083403592).

8065863688 is a wasteful number, since it uses less digits than its factorization.

8065863688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718196 (or 1718192 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 58.

The square root of 8065863688 is about 89810.1535907828. The cubic root of 8065863688 is about 2005.4736465969.

The spelling of 8065863688 in words is "eight billion, sixty-five million, eight hundred sixty-three thousand, six hundred eighty-eight".